light source

• Tout objet ou dispositif émettant de la lumière, comme le soleil, une lampe ou une torche ; utilisé à la fois dans un contexte domestique et technique.

Any object or device that emits light, such as the sun, a lamp, or a flashlight; used in both everyday and technical contexts.

1. Origin of lightA2formal

   An object or device that produces light, such as the sun, a lamp, or a candle.

   source de lumière

   • The sun is the primary light source for Earth.
   • We need a reliable light source for the dark room.
   • LED bulbs are an energy-efficient light source.

2. Figurative origin of insightB2formal

   A person, idea, or thing that provides understanding, clarity, or inspiration.

   source de lumière

   • Her speech was a light source for the confused audience.
   • Great literature can be a light source for the human spirit.
   • His research became a light source for future discoveries.